Average weather in December in Sion (Canton of Valais), Switzerland

The average minimum temperature (usually the minimum temperature is noted during the night) in Sion in December is -3.0°C (26.6°F). The amount of rain/snow in December is normal with an average of 60mm (2.4in). Most people don't tend to visit Sion during this period since it is known as a chilly month. The average maximum daytime temperature lies around 3.0°C (37.4°F). You will hardly see any sun with 70 hours of sunshine during the whole month.


So what to wear in December? Visitors traveling to Sion should plan on bringing snow boots and a warm winter jacket since there will be many periods of snow.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in December look at the numbers below.

Monthly Averages in December

Show in Fahrenheit

Min Temperature -3 °C
Max Temperature 3 °C
Precipitation 60mm
Sunshine Hours 70

Where to stay in Sion

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
4/10
Cycling
3/10
Walking
3/10
Camping
1/10
Outdoor sports
3/10

Weather Forecasts for Sion (Canton of Valais)

TUE Dec 07
-2°C | -8°C

Heavy snow

WED Dec 08
-5°C | -8°C

Heavy snow

THU Dec 09
-6°C | -17°C

Heavy snow

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Sion.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Switzerland? On this website you can find historical weather averages for many cities in Switzerland. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.